Postitive stimulus
from aerobic and
muscle-building
exercise
Figure 17.6
Hypothalamus
GHRH or GHIH
Negative
feedback
Adenohypophysis
Growth hormone
Anti-insulin
effects
Insulin-like
growth
factor
Liver at al.
Somatomedin (IGF
1
)
h
plasma
glucose
h
lipolysis
Musculoskeletal
growth
Protein synthesis
general growth